CVE-2026-83197Network attack vector

Unauthenticated data disclosure and service interruption

Published Sep 15, 2026 · Updated Sep 15, 2026

Information disclosure in Financial Accounts in Oracle Siebel Financial Services 17.0 through 26.7 allows remote attackers to read critical data. Oracle has not disclosed the defective operation or how crafted HTTP requests reach it. No authentication or user interaction is required; exploitation can expose all accessible application data and hang or repeatedly crash the service.

CVSS severity9.1
Critical
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Financial Accounts in Oracle Siebel Financial Services 17.0 through 26.7 allows remote attackers to read critical data. Oracle has not disclosed the defective operation or how crafted HTTP requests reach it. No authentication or user interaction is required; exploitation can expose all accessible application data and hang or repeatedly crash the service.

The record

CVE
CVE-2026-83197
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle Corporation
Product
Siebel Financial Services
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=17.0 <=26.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Siebel Financial Servicesversion=17.0 <=26.7

Published CVSS scores

9.1Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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